Home / 641,948.49-962,920.44-192,667.41

Finding the Fourth Proportional to 641,948.49, 962,920.44 and 192,667.41

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Solution

The fourth proportional to 641,948.49, 962,920.44 and 192,667.41 is: 289,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,948.49 : 962,920.44 = 192,667.41 : x
  2. Step 2: Convert to fraction form
    641,948.49/962,920.44 = 192,667.41/x
  3. Step 3: Cross multiply
    641,948.49x = 962,920.44 × 192,667.41
  4. Step 4: Simplify right side
    641,948.49x = 185,523,387,210.86
  5. Step 5: Solve for x
    x = 185,523,387,210.86/641,948.49
  6. Step 6: Final answer
    x = 289,000.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.